My father can play football very well.改成一般疑问They can seim in the river.否定 Why?can not?
问题描述：
My father can play football very well.
改成一般疑问
They can seim in the river.否定
Why?can not?
答
Can my father play football very well?
答
Can you father play football very well?
very 还是加上的好....毕竟very well 程度要比well的深 而且没有不地道的问题
They can not swim in the river.
书面语言 不能用can't, 或者是cannot. 只有can not
答
Whether your father play football well?
Can they swim in the river?
答
Can your father paly football very well?
答
Can your father play football very well?
They can't swim in the river.
答
Can my father play football well?
very没有必要，基于语句的逻辑考虑